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Counties → Texas

Hidalgo County, Texas

SDWIS compliance plate

Sheet TX215 · Hidalgo County 31 sys · 5,096 viol · #64/3254

VIOL-SEVERE · HEALTH-MID · RANK-TOP · PHOTO-FINISH · PFAS-HIGH · SRC-SW · SYS-SMALL · BOOK-FULL

  • VIOL-SEVERE 100.0% flagged
  • HEALTH-MID 30.7% health
  • RANK-TOP #64/3254
  • PHOTO-FINISH ±0.0 pp
  • PFAS-HIGH 82.4% detect
  • SRC-SW SW lead 81%
  • SYS-SMALL 31 systems
  • BOOK-FULL 7/7 fields

Nearest flagged-rate peer: Collin County (+ 0 pp flagged-rate)

According to EPA SDWIS county population served used on /counties, Hidalgo County ranks #64 of 3,254 counties by people served, and #8 of 254 counties in Texas. See methodology · corpus placement.

Hidalgo County standing, mid-flagged corpus third

Flagged-system rate 100.0% is in the corpus middle third (≤ 100.0% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 30.7% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 82.4% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #64 of 3,254 · #8 of 254 in Texas.

Flagged-rate neighbourhood around Hidalgo County

Lowest/highest poles plus in-state counties nearest Hidalgo County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.

0% 20% 40% 60% 80% 100% Howard · lowest Bee · highest Ellis · near Taylor · near 66.7% 100% 100% 100% 100% 100% 100%

Source: EPA SDWIS (county aggregates) As of 2026-05-15

Water Systems

System Name Population Violations PFAS
McAllen Public Utility 189,957 12 Detected
North Alamo WSC 171,195 93 Detected
City of Edinburg 85,224 37 Detected
City of Pharr 79,715 8 Detected
City of Mission 77,058 132 Detected
Sharyland WSC 68,562 18 Detected
Agua Sud 52,137 45 Detected
City of Weslaco 40,033 27 Detected
City of San Juan 30,000 36 Detected
City of Alamo 21,065 145 Detected
Military Hwy WSC las Rusias 17,943 297 Clean
City of Mercedes 16,258 112 Detected
City of Donna 16,176 33 Detected
City of Hidalgo Water System 14,800 40 Clean
Military Hwy WSC Progreso 12,198 13 Clean
Hidalgo County MUD 1 8,420 118 Detected
City of Elsa 5,500 274 Detected
City of la Joya 3,033 424 -
City of Edcouch 2,878 194 -
City of la Villa 2,781 947 -
Bentsen Grove Resort 1,550 67 -
Military Hwy WSC Weslaco 1,343 4 -
Llano Grande Lake Park East 1,300 208 -
Leisure World Mobile Home Community 700 90 -
Quiet Village II 492 202 -
Lazy Palms Ranch 400 716 -
Llano Grande Lake Park West 300 239 -
Trails End Mobile Home Park 200 103 -
Aqua Planet Water Park 110 72 -
Usda Moore Field 100 383 -
Sleepy Hollow Trailer Park 55 7 -

Compare beyond Texas

Mid-flagged peers for Hidalgo County

Cross-state counties nearest Hidalgo County on flagged-system share (100.0%) and cumulative violation count (5,096). In-state neighbours stay on the compliance plate above.

Similar flagged-system rate

Nearest cross-state counties by % of SDWIS systems with at least one violation on record.

4 peers

Similar violation load

Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).

4 peers

Read our methodology · Check your water system - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.